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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,China Three Gorges University,*,Study condition monitoring of construction equipment based on Wireless sensor networks,11/15/2024,1,China Three Gorges University,Study condition monitoring of,Backgrounds,Construction equipment play a decisive role at construction production.However,with the affect of weather,sun,air,dust and erosion,they have fault frequently.Because of a great range and a strong liquidity,the traditional real-time monitoring of manufacturing equipment need lay a lot of cable or fiber to form the transmission network.Under the harsh work environment(such as rotating parts,compressors,etc.),the wiring and power supply would be restricted,so the cost which was spent to establish and maintain the monitoring network is very high.,11/15/2024,2,China Three Gorges University,BackgroundsConstruction equipm,Significance,This paper intended to integrate the new sensor technology,network technology and virtual instrument to build remote monitoring system for construction equipment.,Purpose:the system can find fault information in time and alarm at the critical time.,So it reduce security failure and prolong the service life of equipment.,11/15/2024,3,China Three Gorges University,Significance This paper intend,Part1:select the main online monitoring parameters and analysis methods.,Part2:set up a wireless sensor network(WSN)to timely and continuously collect parameters information.,Part3:set up data management and analysis platform based on the virtual instrument to acquire the status information of construction equipment and make appropriate decisions.,Contents,11/15/2024,4,China Three Gorges University,Part1:select the main online,Select monitoring parameters,(1)The vibration and noise,(2)Oil Pressure,(3)The amount of fuel,(4)Oil temperature,(5)Engine speed,11/15/2024,5,China Three Gorges University,Select monitoring parameters(1,Wireless sensor network(WSN),Figure 1 architecture diagram of WSN,11/15/2024,6,China Three Gorges University,Wireless sensor network(WSN)1,Structure of the sensor node,Figure 2 architecture diagram of sensor node,11/15/2024,7,China Three Gorges University,Structure of the sensor nodeFi,Data management and analysis platform,Data management and analysis platform used labview platform to achieve the follow functions:,Analyze and process,store and display the information collected by WSN.,Judge the status of monitoring points and,make alarm display at the critical moment.,11/15/2024,8,China Three Gorges University,Data management and analysis,Figure 3 flow chart of monitoring system program,11/15/2024,9,China Three Gorges University,Figure 3 flow chart of monito,An example,To monitoring five construction equipment as an example,the monitoring parameters selected were oil temperature,cooling water temperature,torque converter oil temperature,hydraulic oil temperature,displacement,velocity,acceleration,noise,oil pressure,hydraulic oil pressure,engine speed and fuel capacity.,11/15/2024,10,China Three Gorges University,An exampleTo monitoring five c,Design of WSN,Communication standard:ZigBee technology,(low-complexity,low power,low-cost),Network topology:mesh network,Route Protocol:AD hol,MAC layer:CSMA/CA,Nodes,Variety of sensors,11/15/2024,11,China Three Gorges University,Design of WSNCommunication sta,Nodes,The processing core of controller:ATMEGA128 MCU,The core of wireless communication module:single-chip CC1000 transceiver,Common sensors with universal interfaces.,Power supplied:two 5th batteries.,Node protocol source code was made with C language,including the underlying MAC layer source code and private protocol.,11/15/2024,12,China Three Gorges University,NodesThe processing core of co,Specific programming ideas(labview),First,according to various monitoring parameters,chose different data analysis and process approach.,Then,used some logical structure control to achieve continuous monitoring of multiple devices,and set the alarm mechanism.,Next,used output and display control to achieve storage and display of data.,Finally,applied data socket technology to set up the data transmission network for client access.,11/15/2024,13,China Three Gorges University,Specific programming ideas(la,Figure 4.the front panel of monitoring program of four temperatures,11/15/2024,14,China Three Gorges University,Figure 4.the front panel of m,Figure 5 the front panel of monitoring program of overall equipment,11/15/2024,15,China Three Gorges University,Figure 5 the front panel of m,Conclusion,Advantages:,collect data:convenience,real-time brought by WSN,data processing:commonality,low hardware costs by labview,Shortcomings:,The parameters selected was suitable for the general equipment,not for a specific component,so the data processing method was uncertain.,11/15/2024,16,China Three Gorges University,ConclusionAdvantages:10/7/202,Thank you for your time and attention.,Acknowledgment,11/15/2024,17,China Three Gorges University,Thank you for your
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